VOLUME 57 , ISSUE 3 (April 2018) - List of articles

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ANTIMICROBIAL ACTIVITY OF LIPOPEPTIDES

Paulina Czechowicz/ Joanna Nowicka

The constantly growing number of multidrug-resistant bacterial strains prompts the search for alternative treatments. Synthetic peptides based on natural antimicrobial peptides, also known as antimicrobial lipopeptides, can become a promising group of “drugs” to fight multi-resistant bacteria. The present paper discusses the origins of synthetic lipopeptides, their classification and antimicro- bial properties.

DOI: 10.21307/PM-2018.57.3.213

PREDICTIVE MICROBIOLOGY OF FOOD

Elżbieta Rosiak/ Katarzyna Kajak-Siemaszko/ Monika Trząskowska/ Danuta Kołożyn-Krajewska

The beginnings of predictive microbiology date back to 1920 when Bigelow developed a logarithmic-linear dependence of kinetics on the death of microorganisms. Predictive microbiology is a sub-discipline of food microbiology, whose task is to predict the behavior of microorganisms in food using mathematical models. The predictive model for microbiology is usually a simplified description of the correlation between the observed reactions and the factors responsible for the occurrence of these reac(..)

DOI: 10.21307/PM-2018.57.3.229

DRUG RESISTANCE IN THE GENUS ENTEROCOCCUS – CURRENT PROBLEM IN HUMANS AND ANIMALS

Katarzyna Talaga-Ćwiertnia/ Małgorzata Bulanda

Drug-resistant bacteria from the genus Enterococcus are currently among the most important pathogens behind healthcare-associated infections. The drug resistance of these bacteria has been on the increase since the 1980s, leeding to their multi-drug resistance. Selective pressure, present mainly in the hospital environment, contributed to this phenomenon. However, also outside the hospital environment selective pressure comes into play, namely the use of antibiotics as promoters of growth in ani(..)

DOI: 10.21307/PM-2018.57.3.244

TICK-BORNE PATHOGENS IN INDIVIDUALS WITH HUMAN IMMUNODEFICIENCY VIRUS TYPE 1 (HIV-1) INFECTION

Renata Welc-Falęciak/ Małgorzata Bednarska/ Magdalena Szatan/ Agnieszka Pawełczyk

The studies on the occurrence and diversity of tick-borne infections in HIV-infected individuals have been few, and the subject has been relatively neglected when compared with other infections associated with HIV. Non-specific symptoms of tick-borne diseases pose a challenge in clinical care and may lead to misdiagnosis, especially in HIV-positive patients, who often experience many non-specific clinical symptoms. Additionally, in immunocompromised patients, a significant delay of antibody prod(..)

DOI: 10.21307/PM-2018.57.3.251

THE ROLE OF CAMPYLOBACTER JEJUNI INFECTION IN THE DEVELOPMENT OF GUILLAIN-BARRÉ SYNDROME

Maria Walencka/ Agnieszka Matusiak/ Magdalena Chmiela

Campylobacter spp. are Gram-negative, spiral, thermophilic, motile bacteria, which require microaerophilic environment for growth. They have restricted carbohydrate catabolism, but have well-developed mechanism of acquiring micronutrients instead. A common problem, especially in developing countries, is campylobacteriosis, mostly caused by Campylobacter jejuni. The major reason of this disease is the increasing resistance of these bacteria to commonly used antibiotics. The most frequent source o(..)

DOI: 10.21307/PM-2018.57.3.260

CURRENT CHALLENGES OF VETERINARY MICROBIOLOGICAL DIAGNOSTICS CONCERNING THE SUSCEPTIBILITY OF STAPHYLOCOCCI TO ANTIBIOTICS

Magdalena Kizerwetter-Świda/ Dorota Chrobak-Chmiel/ Magdalena Rzewuska

Staphylococci are pathogenic bacteria often isolated from clinical material obtained from animals. Unlike in human medicine, in veterinary sciences various species of coagulase-positive staphylococci have been isolated from clinical specimens. In addition to Staphylococcus aureus and Staphylococcus pseudintermedius, other species are also often identified. Recently, the taxonomy of staphylococci has been updated, therefore, it is now important to recognize also the new species. Currently, coagul(..)

DOI: 10.21307/PM-2018.57.3.270

GENOME SHUFFLING AS AN ALTERNATIVE METHOD OF IMPROVING THE PROPERTIES OF DISTILLERY YEAST

Aleksandra Wawro

Modern technologies of bioethanol production require distillation yeast characterized by thermotolerance, osmotolerance and increased resistance to secondary metabolites. To date, no strains have been observed in nature which possess all of the above-mentioned characteristics. For many years, intensive research has been carried out to improve the technological properties of industrial strains. A number of methods have been developed to allow genetic improvement of distillery yeasts. One of the m(..)

DOI: 10.21307/PM-2018.57.3.278

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